How much revenue did 长明火计划 Project: Eternal Flame make?

$14k–$38k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did 长明火计划 Project: Eternal Flame sell?

Q: How many copies did 长明火计划 Project: Eternal Flame sell?

3k to 4k copies, based on its 105 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 3k–4k; $14k–$38k after Steam's cut $26k–$59k before the cut; from 105 reviews (Very Positive)

A labeled estimate from the public review count (adjusted for release year), not exact sales. Owner data cross-checked with SteamSpy.

Does this actually work?

We left 长明火计划 Project: Eternal Flame out and predicted the genre from its 8 similar games. Every figure here, including 长明火计划 Project: Eternal Flame's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 15k–145k

best case 1.5M (Library Of Ruina)

Games like 长明火计划 Project: Eternal Flame

The middle of these games

≈ 15k–145k copies

≈ $67k–$1.4M after Steam's cut

from ~652 reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

3 of your 8 similar games are hits.

Best case: Library Of Ruina at ≈ 1.1M–1.8M copies, ≈ $9.1M–$24.5M after Steam's cut.

What it took to get here

About half the games that made it here had over 303 reviews in their first month; the spread ran 32 to 9k.

The genre you'd be entering

Your set: Your set clusters on Card Game (7 of 8) and Deckbuilding (6 of 8).
The winners: Winners here lead with Story Rich + Card Game, priced around $30.
The era: The games you compared span 2017 to 2025, and 2 of your 8 shipped in the last two years.

How these numbers were worked out

A hit here: 1,000+ reviews, roughly $150k+ before Steam's cut (a standard indie benchmark).

Copies come from each game's reviews times a sales-per-review rate that falls with release age, from about 31 for the most recent game here to about 43 for the oldest, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
Quantum Protocol 2020	Est. copies ≈ 16k–26k SteamSpy 50k–100k	Est. revenue $58k–$156k after Steam's cut $106k–$240k before the cut	$12.99	656 reviews Very Positive	AnimeDeckbuilding
Library Of Ruina 2021	Est. copies ≈ 1.1M–1.8M 68x vs typical SteamSpy 1M–2M	Est. revenue $9.1M–$24.5M after Steam's cut $16.6M–$37.7M before the cut	$29.99	45k reviews Very Positive	Story RichCard Game
Cardfight!! Vanguard Dear Days 2 2025	Est. copies ≈ 16k–26k SteamSpy 20k–50k	Est. revenue $309k–$830k after Steam's cut $562k–$1.3M before the cut	$69.99	647 reviews Mixed	StrategyRPG
StarVaders 2025	Est. copies ≈ 108k–175k 6.7x vs typical SteamSpy 50k–100k	Est. revenue $741k–$2.0M after Steam's cut $1.3M–$3.1M before the cut	$24.99	4k reviews Overwhelmingly Positive	Roguelike Deckbuilder Deckbuilding
Kamifuda 2022	Est. copies ≈ 3k–6k SteamSpy under 20k	Est. revenue $10k–$28k after Steam's cut $19k–$43k before the cut	$10.99	140 reviews Very Positive	Card GameStory Rich
I Was a Teenage Exocolonist 2022	Est. copies ≈ 119k–193k 7.4x vs typical SteamSpy 200k–500k	Est. revenue $818k–$2.2M after Steam's cut $1.5M–$3.4M before the cut	$24.99	5k reviews Overwhelmingly Positive	Choices MatterLife Sim
Signs of the Sojourner 2020	Est. copies ≈ 6k–10k SteamSpy under 20k	Est. revenue $35k–$94k after Steam's cut $63k–$144k before the cut	$19.99	256 reviews Very Positive	IndieRPG
Monster Monpiece 2017	Est. copies ≈ 13k–22k SteamSpy 50k–100k	Est. revenue $37k–$99k after Steam's cut $67k–$152k before the cut	$9.99	389 reviews Mostly Positive	StrategyCard Battler